Electronic cigarette



FIG. 1 is a top, front and left perspective view of my new design for an electronic cigarette.

FIG. 2 is a top, back and right perspective view.

FIG. 3 is a right side view. The left side view is a mirror image of the right side view.

FIG. 4 is a top view. The bottom view is a mirror image of the top view.

FIG. 5 is a front view; and,

FIG. 6 is a back view.

The portions of the drawings shown in dashed broken lines form no part of the claimed design. 

The ornamental design for an electronic cigarette, as shown and described. 